android image downloader

private void getImage(String uri, int p){
    		try{
    			int[] helper = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
    			int[] help = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
    			URL url = new URL(uri);
    			HttpURLConnection httpCon = (HttpURLConnection)url.openConnection();
    			httpCon.setDoInput(true);
    			httpCon.connect();
    			if(httpCon.getResponseCode() != 200)
					throw new Exception("Failed");
    			InputStream is = httpCon.getInputStream();
    			int length = httpCon.getContentLength();
    			int portionLength = (length/SIZE);
    			final byte[] data = new byte[length];
    			//int read = is.read(data,0,length);
    			int downloaded = 0;
    			for(int j = 1; j <  SIZE; j++){
				int read = is.read(data, downloaded, portionLength);
				downloaded += read;
				helper[p] = (100/SIZE)*j;
				publishProgress(helper[0],helper[1],helper[2],helper[3],helper[4],
						helper[5],helper[6],helper[7],helper[8],helper[9],
						helper[10],helper[11],helper[12],helper[13],helper[14],
						helper[15],helper[16],helper[17],helper[18],helper[19]);
			}
			is.read(data,downloaded,length-downloaded);
			help[p] = 100;
			publishProgress(help[0],help[1],help[2],help[3],help[4],
					help[5],help[6],help[7],help[8],help[9],
					help[10],help[11],help[12],help[13],help[14],
					help[15],help[16],help[17],help[18],help[19]);
			httpCon.disconnect();
			is.close();
			bMapArr[p] = BitmapFactory.decodeByteArray(data,0,length);
    		}
    		catch(Exception e){}
    	}

decodeStream(is)

decodeByteArray(data,0,length)